Yiding Cui

icon indicating an email [email protected]

icon company @pingcap icon location Beijing, China

Results 65 comments of Yiding Cui

server: fix decode issue for prefetch point plan index keys (#50037)

/retest

planner: fix index merge reader may lost enforced prop sort when table plan is pure (#49844)

/retest

*: bypass order by clause for fast point get plan (#50204)

/retest

*: bypass order by clause for fast point get plan (#50204)

/retest

*: bypass order by clause for fast point get plan (#50204)

/merge

*: bypass order by clause for fast point get plan (#50204)

/retest

planner: the optimizer can't produce an optimal plan for queries with sub-queries in select list since it always decorrelate sub-queries

We need the rule JoinToApply to do the optimization.

expression: fix the const prop over ENUM type (#50208)

/retest

statistics: use another way to merge topn

And some codes like the in-place updates for the heap are optimized for the memory.

statistics: use another way to merge topn

/retest